Dark Green Bulrush

(Scirpus atrovirens)

Dark Green Bulrush (Scirpus atrovirens)

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Estimated Native Range
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Summary

Scirpus atrovirens, commonly known as Dark Green Bulrush, is a deciduous perennial grass native to wetlands, including marshes, swamps, and wet meadows, across the Eastern United States and Southeast Canada. It typically reaches a height of 6 feet (1.8 meters) and spreads 3-4 feet (0.9-1.2 meters). This sedge has a clumping habit with dark green, stiff, triangular stems and inconspicuous brownish flowers that appear in summer. The plant’s foliage remains attractive throughout the growing season and provides cover for wildlife.

Dark Green Bulrush is valued for its ability to stabilize soil and filter water, making it an excellent choice for naturalized areas, rain gardens, and water features. It is also used for erosion control along stream banks and shorelines. This species thrives in full sun to part shade and prefers consistently moist to wet soils. It is tolerant of a range of soil types, including clay, but requires good water retention. While generally low-maintenance, it can spread aggressively in ideal conditions and may require management to keep it in bounds.CC BY-SA 4.0

Plant Description

  • Plant Type: Grass
  • Height: 3-5 feet
  • Width: 3-4 feet
  • Growth Rate: Moderate
  • Flower Color: N/A
  • Flowering Season: Summer
  • Leaf Retention: Deciduous

Growth Requirements

  • Sun: Full Sun, Part Shade
  • Water: Medium
  • Drainage: Medium, Slow

Common Uses

Bird Garden, Erosion Control, Low Maintenance, Water Garden

Natural Habitat

Wetlands, including marshes, swamps, and wet meadows

Other Names

Common Names: Dark-Green Bulrush, Schwarzgrüne Simse, Scirpe Noirâtre, Scirpe Vert Sombre

Scientific Names: , Scirpus atrovirens, Scirpus atrovirens f. proliferus, Scirpus atrovirens f. sychnocephalus, Scirpus atrovirens var. atrovirens, Scirpus atrovirens f. atrovirens, Scirpus atrovirens f. angustispicatus, Scirpus atrovirens f. cephalanthus, Scirpus atrovirens f. viviparus, Scirpus atrovirens var. pycnocephalus

GBIF Accepted Name: Scirpus atrovirens Willd.